NASA Observing Campaign

NASA isn't about to let sungrazing Comet ISON pass by without notice. Several major observatories and what is levitra professional space missions are being asked to viagra sales pool their efforts in a coordinated observing campaign. Noted in a Spacedaily.com article, "Comet ISON offers us the rare opportunity to study a Sungrazer in great detail, for an extended period, and place it in the context of other comets."